Home / 29,439.51-40,614.54-16,689.99

Finding the Fourth Proportional to 29,439.51, 40,614.54 and 16,689.99

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Solution

The fourth proportional to 29,439.51, 40,614.54 and 16,689.99 is: 23,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,439.51 : 40,614.54 = 16,689.99 : x
  2. Step 2: Convert to fraction form
    29,439.51/40,614.54 = 16,689.99/x
  3. Step 3: Cross multiply
    29,439.51x = 40,614.54 × 16,689.99
  4. Step 4: Simplify right side
    29,439.51x = 677,856,266.45
  5. Step 5: Solve for x
    x = 677,856,266.45/29,439.51
  6. Step 6: Final answer
    x = 23,025.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.